// SPDX-License-Identifier: GPL-2.0 static int find_map(void **start, void **end, const char *name) { FILE *maps; char line[128]; int found = 0; maps = fopen("/proc/self/maps", "r"); if (!maps) { fprintf(stderr, "cannot open maps\n"); return -1; } while (!found && fgets(line, sizeof(line), maps)) { int m = -1; /* We care only about private r-x mappings. */ if (2 != sscanf(line, "%p-%p r-xp %*x %*x:%*x %*u %n", start, end, &m)) continue; if (m < 0) continue; if (!strncmp(&line[m], name, strlen(name))) found = 1; } fclose(maps); return !found; }